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NISA [10]
3 years ago
5

Help ASAP pleaseeeee!!!!!!!!

Mathematics
1 answer:
slamgirl [31]3 years ago
6 0
I'll help if you need me to!
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Please help! I need this soon.
antiseptic1488 [7]

what multiplied by what is 15 but added together is 8

......................................................

Answer: a

6 0
3 years ago
Read 2 more answers
If the sin 30 degrees is 1/2 then the cos ____=____.
goldenfox [79]
  Try A) 60 degrees; 1/2. Your answer was incorrect because cos(60 degrees) is 1/2, cos(30 degrees) is square root 3 /2 not 1 or square root 2 /2
7 0
3 years ago
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Ayuda aqui en este ejercicio (2x+8)2 (el ultimo 2 va elevado)
Ksenya-84 [330]

Answer:

4x^2+32x+64

Step-by-step explanation:

4 0
3 years ago
PLS HELP!!<br><br> What values of u and v make triangle XYZ = Triangle GFH
Katarina [22]

Answers:

u = 18

v = 20

========================================================

Work Shown:

The leg YZ is congruent to the left FH

This means YZ = FH and that leads to u+v-18 = 10u-8v

The hypotenuse ZX is congruent to the hypotenuse HG

This means ZX = HG and we get the equation 14v-14u+32 = v+u+22

----------------------

The system of equations we have so far is

u+v-18 = 10u-8v

14v-14u+32 = v+u+22

Let's get the equations into standard form

Start with the first equation

u+v-18 = 10u-8v

u+v = 10u-8v+18

u+v-10u+8v = 18

-9u+9v = 18

-9(u-v) = 18

u-v = 18/(-9)

u-v = -2

Note how we can solve for the variable u to get

u = v-2

which we'll use later

----------------------

Let's get the other equation into standard form as well

14v-14u+32 = v+u+22

14v-14u-v-u = 22-32

-15u+13v = -10

Now plug in u = v-2 and solve for v

-15u+13v = -10

-15(v-2) + 13v = -10

-15v+30+13v = -10

-2v+30 = -10

-2v = -10-30

-2v = -40

v = -40/(-2)

v = 20

Which means,

u = v-2

u = 20-2

u = 18

3 0
2 years ago
What is the equation of the line perpendicular to 2x + 5y =20 in containing the point (10, -4)
Alexandra [31]
The equation is y= (5/2)x - 29. Hope this helps

3 0
3 years ago
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